This is a continuation of the development of a simple, relatively foolproof, astigmatism, field curvature, and field tilt test for lens screening. The first post is here. It is also the second post in a series of tests of the Fujifilm 32-64 mm f/4 G-mount lens for the GFX 50s. That test starts here. Brandon… [Read More]
Fuji 32-64/4 tilt, field curvature, & astigmatism
This is a continuation of the development of a simple, relatively foolproof, astigmatism, field curvature, and field tilt test for lens screening. The first post is here. It is also the first post in a series of tests of the Fujifilm 32-64 mm f/4 G-mount lens for the GFX 50s. If you go down to… [Read More]
Gourmet cooking for one
Yesterday I got an email out of the blue. Hartnell College in Salinas wants to do a reprise exhibition of some of my work starting in a couple of weeks. Usually I get shows after asking for them, and then the lead time is long. This is unprecedented for me. A bit of history explains… [Read More]
Photographic criticism and discussion
[Added 7/3/17: In this post, I am using the word criticism to mean the art or practice of judging and commenting on the qualities and character of photographic works. I don’t mean the word to imply that the comments are negative, although I clearly want to include that usage. In a comment below, Mike Nelsen Peddie… [Read More]
Testing lenses off-axis with small-field targets
This is the first post in a long series on the subject of lens screening tests. To see links to all the other posts in this series, go to the bottom of this page — below the comments — and you will be able of click on each one in turn. For the past few days,… [Read More]
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